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            | 
                    Closing price on 2/26/2016
                 |  |  
    
        |           
                
                    | Open | 3.30 |  
                    | High | 3.80 |  
                    | Low | 3.30 |  
                    | Volume | 1,820,300 |  
                    | Split-adjusted Price | 3.80 |  
                
             | 
 |  SPI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/26/2016 | +0.30 / +8.57% | 3.30 | 3.80 | 3.30 | 3.80 | 3.47 | 3.80 | 1,820,300 |   |  
            | 2/25/2016 | -0.10 / -2.78% | 3.60 | 3.70 | 3.40 | 3.50 | 3.60 | 3.50 | 918,500 |   |  			
            | 2/24/2016 | +0.30 / +9.09% | 3.30 | 3.60 | 3.00 | 3.60 | 3.41 | 3.60 | 1,159,400 |   |  
            | 2/23/2016 | +0.30 / +10.00% | 3.20 | 3.30 | 3.10 | 3.30 | 3.22 | 3.30 | 1,224,700 |   |  			
            | 2/22/2016 | +0.20 / +7.14% | 2.80 | 3.00 | 2.80 | 3.00 | 2.94 | 3.00 | 1,196,800 |   |  
            | 2/19/2016 | +0.10 / +3.70% | 2.70 | 2.90 | 2.70 | 2.80 | 2.82 | 2.80 | 1,194,900 |   |  			
            | 2/18/2016 | 0.00 / 0.00% | 2.70 | 2.80 | 2.70 | 2.70 | 2.70 | 2.70 | 826,400 |   |  
            | 2/17/2016 | -0.10 / -3.57% | 2.80 | 2.80 | 2.70 | 2.70 | 2.75 | 2.70 | 656,500 |   |  			
            | 2/16/2016 | +0.20 / +7.69% | 2.60 | 2.80 | 2.60 | 2.80 | 2.70 | 2.80 | 629,800 |   |  
            | 2/15/2016 | +0.10 / +4.00% | 2.50 | 2.60 | 2.50 | 2.60 | 2.58 | 2.60 | 739,400 |   |  			
            | 2/5/2016 | 0.00 / 0.00% | 2.50 | 2.50 | 2.30 | 2.50 | 2.38 | 2.50 | 127,700 |   |  
            | 2/4/2016 | -0.20 / -7.41% | 2.60 | 2.60 | 2.50 | 2.50 | 2.55 | 2.50 | 935,700 |   |  			
            | 2/3/2016 | -0.10 / -3.57% | 2.70 | 2.70 | 2.60 | 2.70 | 2.69 | 2.70 | 743,200 |   |  
            | 2/2/2016 | 0.00 / 0.00% | 2.70 | 2.80 | 2.70 | 2.80 | 2.71 | 2.80 | 870,800 |   |  			
            | 2/1/2016 | 0.00 / 0.00% | 2.70 | 2.80 | 2.70 | 2.80 | 2.75 | 2.80 | 801,400 |   |  
            | 1/29/2016 | 0.00 / 0.00% | 2.70 | 2.80 | 2.70 | 2.80 | 2.70 | 2.80 | 533,600 |   |  			
            | 1/28/2016 | 0.00 / 0.00% | 2.80 | 2.80 | 2.70 | 2.80 | 2.80 | 2.80 | 556,400 |   |  
            | 1/27/2016 | +0.10 / +3.70% | 2.70 | 2.80 | 2.70 | 2.80 | 2.70 | 2.80 | 571,900 |   |  			
            | 1/26/2016 | -0.10 / -3.57% | 2.70 | 2.70 | 2.60 | 2.70 | 2.70 | 2.70 | 693,200 |   |  
            | 1/25/2016 | +0.20 / +7.69% | 2.60 | 2.80 | 2.60 | 2.80 | 2.66 | 2.80 | 789,700 |   |  			
            | 1/22/2016 | 0.00 / 0.00% | 2.60 | 2.70 | 2.60 | 2.60 | 2.61 | 2.60 | 733,300 |   |  
            | 1/21/2016 | 0.00 / 0.00% | 2.50 | 2.70 | 2.50 | 2.60 | 2.60 | 2.60 | 586,900 |   |  			
            | 1/20/2016 | +0.10 / +4.00% | 2.50 | 2.70 | 2.50 | 2.60 | 2.50 | 2.60 | 769,800 |   |  
            | 1/19/2016 | +0.10 / +4.17% | 2.40 | 2.50 | 2.40 | 2.50 | 2.48 | 2.50 | 609,700 |   |  			
            | 1/18/2016 | -0.10 / -4.00% | 2.50 | 2.50 | 2.30 | 2.40 | 2.39 | 2.40 | 506,100 |   |  
            | 1/15/2016 | +0.20 / +8.70% | 2.30 | 2.50 | 2.30 | 2.50 | 2.40 | 2.50 | 597,500 |   |  			
            | 1/14/2016 | -0.10 / -4.17% | 2.40 | 2.40 | 2.30 | 2.30 | 2.37 | 2.30 | 497,400 |   |  
            | 1/13/2016 | 0.00 / 0.00% | 2.50 | 2.50 | 2.40 | 2.40 | 2.48 | 2.40 | 414,700 |   |  			
            | 1/12/2016 | 0.00 / 0.00% | 2.40 | 2.50 | 2.40 | 2.40 | 2.48 | 2.40 | 600,100 |   |  
            | 1/11/2016 | +0.10 / +4.35% | 2.30 | 2.50 | 2.30 | 2.40 | 2.39 | 2.40 | 497,400 |   |  |